English-language caution or danger statement with translated versions of the caution or danger statement in the Lenovo Rack Safety Information document. For example, if a caution statement is labeled “Statement 1,” translations for that caution statement are in the Lenovo Rack Safety Information document under “Statement 1.”...

DANGER Electrical current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. • Connect all power cords to a properly wired and grounded electrical outlet. •...

≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb) CAUTION: Use safe practices when lifting. Statement 6 CAUTION: Do not place any object on top of a rack-mounted device unless that rack-mounted device is intended for use as a shelf.

DANGER • Plug power cords from devices in the rack cabinet into electrical outlets that are located near the rack cabinet and are easily accessible. • Each rack cabinet might have more than one power cord. Be sure to disconnect all power cords in the rack cabinet before servicing any device in the rack cabinet.

• Once the rack cabinet is in the new location, do the following: – Lower the four leveling pads. – Install stabilizer brackets on the rack cabinet. – If you removed any devices from the rack cabinet, repopulate the rack cabinet from the lowest position to the highest position.

Note: Each stand-alone rack must be attached to the floor by a trained service technician according to your local building codes. Place a fastener in each corner of the rack. Each fastener must have a rated pull-out force of at least 460 newtons. United Kingdom - Notice to Customers: This apparatus is approved under approval number NS/G/1234/J/100003 for indirect connection to public telecommunication systems in the United Kingdom.

• Reinstall front and rear doors on all racks cabinets. If documentation updates are available, you can download them from the Lenovo website. The rack cabinet might have features that are not described in the documentation that comes with the rack, and the documentation might be updated occasionally to include information about those features, or technical updates might be available to provide additional information that is not included in the rack documentation.

Click Help for detailed information about using the Documentation Browser. Notices and statements in this document The caution and danger statements in this document are also in the multilingual Lenovo Rack Safety Information document that comes with the rack cabinet. Each statement is numbered for reference to the corresponding statement in your language in the Rack Safety Information document.

Stabilizer bracket Leveling foot Figure 2. Lowering the leveling feet and installing the stabilizer bracket To lower the leveling feet and install the front stabilizer bracket, complete the following steps: 1. Using the leveling pad wrench that comes with the rack cabinet, lower each of the four leveling feet just enough so that they touch the floor.

Removing and installing the upper 6U side covers Note: You do not need to remove the upper 6U side covers unless you are building a suite of rack cabinets. Lenovo 42U Enterprise Primary Rack and 42U Enterprise Expansion Rack Installation Guide...

To remove the upper 6U side covers from the rack cabinet, complete the following steps. Figure 4. Removing the upper 6U side covers from the rack cabinet 1. On the top of the rack cabinet, loosen the four screws that hold the side cover in place. 2.

Attention: When you install the front door, make sure that you align the hinge pins with the hinges on the rack cabinet before you set the hinge pins into place. Lenovo 42U Enterprise Primary Rack and 42U Enterprise Expansion Rack Installation Guide...

Removing and installing the rear door To remove a rear door from the rack cabinet, complete the following steps. Rear door Bottom hinge pin Figure 6. Removing a rear door from the rack cabinet 1. Unlock and open the rear door. 2.

Expansion rack cabinets come with all the hardware that is required for you to attach rack cabinets together and form a suite. To attach rack cabinets together in a suite, complete the following steps. Lenovo 42U Enterprise Primary Rack and 42U Enterprise Expansion Rack Installation Guide...

Trim piece Threaded standoff Bolt and washer Figure 8. Attaching two adjacent rack cabinets to each other to form a suite Step 1. Remove the side covers (see “Removing and installing the lower and upper side covers” on page 5) from the side of a primary rack cabinet that is adjacent to an expansion rack in a suite.

Some devices might require that you install clip nuts on the rail instead of clip nuts on the rack-mounting flanges. For information about when you must install the clip nuts, see the device documentation. Lenovo 42U Enterprise Primary Rack and 42U Enterprise Expansion Rack Installation Guide...

Figure 10. Location of the cable-access opening To remove the cable-access panel, remove the two screws on the rear of the cable-access panel and remove the panel. Lenovo 42U Enterprise Primary Rack and 42U Enterprise Expansion Rack Installation Guide...

– Install stabilizer brackets on the rack cabinet. – If you removed any devices from the rack cabinet, repopulate the rack cabinet from the lowest position to the highest position. Lenovo 42U Enterprise Primary Rack and 42U Enterprise Expansion Rack Installation Guide...

1. Follow the safety guidelines in this chapter. 2. Know the weight of the rack cabinet. To help determine the weight of the rack, see Table 2 “Lenovo 42U Enterprise Primary Rack and Lenovo 42U Enterprise Expansion Rack weights” on page 4. A general guideline is to assume a weight of 23 kg (50 lb) per rack U-space.

Before you call, make sure that you have taken these steps to try to solve the problem yourself. If you believe that you require warranty service for your Lenovo product, the service technicians will be able to assist you more efficiently if you prepare before you call.

• Secure upload with the system serial number: https://www.ecurep.ibm.com/app/upload_hw Creating a personalized support web page You can create a personalized support web page by identifying Lenovo products that are of interest to you. To create a personalized support web page, go to http://www.ibm.com/support/mynotifications/ .

IBM is Lenovo's preferred service provider for the System x, Flex System and NeXtScale System products. You can receive hardware service through your Lenovo reseller or from IBM. To locate a reseller authorized by Lenovo to provide warranty service, go to and click Business Partner http://www.ibm.com/partnerworld/...

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If Lenovo determines that the levels of particulates or gases in your environment have caused damage to the device, Lenovo may condition provision of repair or replacement of devices or parts on implementation of appropriate remedial measures to mitigate such environmental contamination.

This product is in conformity with the protection requirements of EU Council Directive 2004/108/EC on the approximation of the laws of the Member States relating to electromagnetic compatibility. Lenovo cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non-recommended modification of the product, including the installation of option cards from other manufacturers.